package com.atguigu.lease.common.utils;

import com.atguigu.lease.common.exception.LeaseException;
import com.atguigu.lease.common.result.ResultCodeEnum;
import io.jsonwebtoken.*;
import io.jsonwebtoken.security.Keys;
import io.jsonwebtoken.security.SignatureException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RestController;

import javax.crypto.SecretKey;

import java.util.Date;

/**
 * projectName: lease
 *
 * @author: 王玉乾
 * time: 2024/10/10 9:10 周四
 * description:
 */
public class JwtUtil {




    private static long tokenExpiration = 60*60*1000L;
    private static SecretKey tokenSignKey= Keys.hmacShaKeyFor("M0PKKI6pYGVWWfDZw90a0lTpGYX1d4AQ".getBytes());
    public static String createToken(Long userId,String username ){
        String token = Jwts.builder().setSubject("USER_INFO")
                .setExpiration(new Date(System.currentTimeMillis()+tokenExpiration))
                .claim("userId", userId).claim("username", username)
                .signWith(tokenSignKey).compressWith(CompressionCodecs.GZIP)
                .compact();
        return token;
    }public static Claims parseToken(String token) {
        try {
            Jws<Claims> claimsJws = Jwts.parserBuilder().
                    setSigningKey(tokenSignKey).
                    build().parseClaimsJws(token);
            return claimsJws.getBody();
        } catch (ExpiredJwtException e) {
            throw new LeaseException(ResultCodeEnum.TOKEN_EXPIRED);
        } catch (JwtException e) {
            throw new LeaseException(ResultCodeEnum.TOKEN_INVALID);
        }


    }
}
